Bạn Hà mua hai tá bút chì hết 30.000 đồng. Hỏi bạn Mai mua 8 ái bút chì như thế thì phải trả người bán hàng bao nhiêu tiền?

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Jim had 15 minutes to do 5 laps around his school what would his time be

Can anyone me get through my algebra 2 class? the only class i need to graduate..